Where does “loo room” come from?

loo room (English) comes from English loo, from Dutch loo, from Middle Dutch loo, from Old Dutch lō, from Proto-West Germanic lauh, from Proto-Germanic lauhaz, from Proto-Indo-European lówkos, from Proto-Indo-European lewḱ- — bright; to shine; to see.

loo room (English): A room containing a toilet; especially one without a bath or shower

Definitions

  1. A room containing a toilet; especially one without a bath or shower

Ancestry of “loo room”, step by step

loo room traces back through two separate lines of ancestry.

via English loo

StepLanguageWordMeaning
1Englishloo"A cry to urge on hunting dogs."; To urge on with...
2Dutchlooa clearing in a forest
3Middle Dutchloosacred wood, forest; forest, thicket
4Old Dutchforest
5Proto-West Germaniclauhclearing; meadow
6Proto-Germaniclauhazclearing; meadow
7Proto-Indo-Europeanlówkosclearing; open space, clearing; field, meadow
8Proto-Indo-Europeanlewḱ-lynx
9Proto-Indo-Europeanlewk-bright; to shine; to see

via English room

StepLanguageWordMeaning
1EnglishroomOpportunity or scope; Space "for" something, or...
2Middle EnglishroumA space or area; A room
3Old Englishrūmroom, space; roomy, spacious, ample, extensive,...
4Proto-West Germanicrūmroomy, spacious; room, open space
5Proto-Germanicrūmazroomy, spacious, open
6Proto-Indo-Europeanrewh₁-free space
Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lewḱ-Every word from Proto-Indo-European lówkos